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run code in 150+ php & hhvm versions
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<?php namespace f; function test() { test2(); } function test2() { print_r(getnext(debug_backtrace(0))); } function getnext($a) { return current(array_slice($a, 1, 1, true)); } test();
Output for 5.3.1 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Array ( [file] => /in/u9NKr [line] => 17 [function] => f\test [args] => Array ( ) )
Output for 5.3.0
Strict Standards: Only variables should be passed by reference in /in/u9NKr on line 14 Array ( [file] => /in/u9NKr [line] => 17 [function] => f\test [args] => Array ( ) )
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/u9NKr on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/u9NKr on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/u9NKr on line 3
Process exited with code 255.